Here’s a cool visual Ebay made to show where all their sales came from on Black Friday.
Apr 30
Who has the biggest database? Due to the increasing amount of behavioral information tracked during a web browsing session, some internet properties are starting to rack up some pretty hefty databases.
Ebay has a 6.5 petabyte Greenplum warehouse and a 2.5 petabyte Teradata warehouse. This system ingests hundreds of billions of new rows of data every day.
Facebook has a 2.5 petabyte Hadoop system
Yahoo has more than 1 petabyte running on their homemade system
